mark a key default if none is marked manually
mark a key default if none is marked manually

SoluMachines/external_iw,bcopeland/android_iw,TeamEOS/external_iw,bcopeland/android_iw,Distrotech/iw,CTU-IIG/802.11p-iw,cozybit/iw,greearb/iw-ct,ewa/iw-modified,chunyeow/iw,OSLL/iw,bw-oss/iw,Distrotech/iw,CTU-IIG/802.11p-iw,chunyeow/iw,SoluMachines/external_iw,timduru/platform-external-iw,idor/iw,timduru/platform-external-iw,cozybit/iw,idor/iw,OSLL/iw,bw-oss/iw,ewa/iw-modified,TeamEOS/external_iw,greearb/iw-ct